Παραπομπή APA

Balakrishnan. (1971). Paristhithivijnanam. State Instutute of Languages.

Παραπομπή Chicago Style

Balakrishnan. Paristhithivijnanam. Trivandrum: State Instutute of Languages, 1971.

Παραπομπή MLA

Balakrishnan. Paristhithivijnanam. State Instutute of Languages, 1971.